GSC C-118595, Harrison Lake (Jurassic of Canada)

Also known as MVA(F)85-308

Where: British Columbia, Canada (49.3° N, 121.8° W)

• Paleocoordinates: 33.7° N, 45.4° W (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Francis Lake Member (Harrison Lake Formation), Bifrons (182.9 - 174.7 Ma)

• The three ammonite genera, if correctly identified, have overlapping ranges suggesting an Early Jurassic (Middle Toarcian) age for the locality equivalent to the Bifrons Zone of Europe.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, calcareous siltstone

• Well bedded calcareous siltstone and shale

Size class: macrofossils

Reposited in the GSC

Primary reference: A. J. Arthur, P. L. Smith, J. W. H. Monger and H. W. Tipper. 1993. Mesozoic stratigraphy and Jurassic paleontology west of Harrison Lake, southwestern British Columbia. Geological Survey of Canada Bulletin 441:1-62 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185049: authorized by Matthew Clapham, entered by Matthew Clapham on 08.04.2017

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Hildoceratidae
? Harpoceras sp.
 Ammonitida - Phymatoceratidae
? Phymatoceras sp.
 Ammonitida - Dactylioceratidae
? Dactylioceras sp.
? Dactylioceras sp. Hyatt 1867 ammonite
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Gnathostomata
  -
Actinopterygii indet.
Actinopterygii indet. ray-finned fish
"Fish skeletons"